Home / 521,520,783,043.20-782,281,174,564.80-270,472,306,171.20

Finding the Fourth Proportional to 521,520,783,043.20, 782,281,174,564.80 and 270,472,306,171.20

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Solution

The fourth proportional to 521,520,783,043.20, 782,281,174,564.80 and 270,472,306,171.20 is: 405,708,459,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,783,043.20 : 782,281,174,564.80 = 270,472,306,171.20 : x
  2. Step 2: Convert to fraction form
    521,520,783,043.20/782,281,174,564.80 = 270,472,306,171.20/x
  3. Step 3: Cross multiply
    521,520,783,043.20x = 782,281,174,564.80 × 270,472,306,171.20
  4. Step 4: Simplify right side
    521,520,783,043.20x = 211,585,393,358,856,561,623,040
  5. Step 5: Solve for x
    x = 211,585,393,358,856,561,623,040/521,520,783,043.20
  6. Step 6: Final answer
    x = 405,708,459,256.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.